Refactor Home page into concern-based components and partials

RpgRoller/Components/Pages/Home.Models.cs

@@ -0,0 +1,55 @@
+namespace RpgRoller.Components.Pages;
+
+public sealed class FormState<TModel>
+    where TModel : new()
+{
+    public TModel Model { get; } = new();
+    public Dictionary<string, string> Errors { get; } = [];
+    public string? ErrorMessage { get; set; }
+
+    public void ResetValidation()
+    {
+        Errors.Clear();
+        ErrorMessage = null;
+    }
+}
+
+public sealed class RegisterFormModel
+{
+    public string Username { get; set; } = string.Empty;
+    public string DisplayName { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+}
+
+public sealed class LoginFormModel
+{
+    public string Username { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+}
+
+public sealed class CampaignFormModel
+{
+    public string Name { get; set; } = string.Empty;
+    public string RulesetId { get; set; } = string.Empty;
+}
+
+public sealed class CharacterFormModel
+{
+    public string Name { get; set; } = string.Empty;
+    public string CampaignId { get; set; } = string.Empty;
+}
+
+public sealed class SkillFormModel
+{
+    public string Name { get; set; } = string.Empty;
+    public string DiceRollDefinition { get; set; } = string.Empty;
+    public int WildDice { get; set; }
+    public bool AllowFumble { get; set; }
+}
+
+public enum HomeViewMode
+{
+    Loading,
+    Anonymous,
+    Workspace
+}